Soft soil foundation treatment device and method

A soft soil foundation and treatment device technology, applied in soil protection, infrastructure engineering, construction, etc., can solve the problems of prolonged drainage consolidation time, long drainage consolidation time, high cost, etc., and achieve rapid and stable soft soil consolidation , reduce the drainage cycle, and ensure the stability of the effect

Pending Publication Date: 2020-11-20
EAST CHINA UNIV OF TECH
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Problems solved by technology

The surcharge preloading method is to apply a load on the foundation to promote the consolidation of the foundation in order to reduce the settlement after construction. This method takes a long time for drainage and consolidation, resulting in a long construction period; the vacuum preloading method uses vacuuming to remove the soft soil With the extension of time, the pores in the soft soil will decrease, resulting in the extension of the drainage consolidation time in the later stage; the composite foundation treatment method refers to the use of physical and chemical processes to treat the soft soil, and the cost is relatively high; therefore, how to quickly and Effective treatment of soft soil foundations requires further research

Method used

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  • Soft soil foundation treatment device and method

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Embodiment 1

[0038] The invention provides a soft ground treatment device, such as figure 1 with figure 2 shown, including:

[0039] The reinforcement wall 1 separates the soft soil foundation 5 to be treated into several soft soil units 2, which is beneficial to improve the drainage in the soft soil;

[0040] Protective components, the protective components include:

[0041] The concrete layer 3 is arranged at the bottom of each soft soil unit 2, and a waterproof layer 4 is arranged above the concrete layer 3. The thickness of the concrete layer 3 can be 5 to 15 cm, so as to prevent the foundation from sinking and ensure stability. The above-mentioned waterproof layer 4 is made of asphalt, with a thickness of 4-10 cm, which can prevent the water below the foundation from penetrating into the inside of the foundation;

[0042] A drainage assembly, the drainage assembly comprising:

[0043] The first drainage pipe 6 has several first water inlets on its side wall, and the first drainag...

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Abstract

The invention discloses a soft soil foundation treatment device and method, belonging to the technical field of constructional engineering. The soft soil foundation treatment device comprises a reinforcing wall for dividing a soft soil foundation to be treated into a plurality of soft soil units; a concrete layer arranged at the bottom of each soft soil unit; a waterproof layer arranged on the concrete layer; a first drainage pipe transversely arranged in the soft soil and located above the waterproof layer; a second drainage pipe vertically arranged in the soft soil unit; and a thin film layer arranged on the surface of the soft soil unit, a pressurizing and inflating device arranged below the thin film layer, and a pressure applying object arranged on the thin film layer. According to the invention, the soft soil foundation treatment efficiency can be improved, treated underground water can be effectively prevented from seeping into the foundation again, and the treatment effect is good.

Description

technical field [0001] The invention belongs to the technical field of construction engineering, and in particular relates to a soft ground treatment device and method. Background technique [0002] Soft soil has high water content, poor mechanical strength, and long consolidation time. Therefore, special treatment is generally required when building soft soil foundations, such as draining water in soft soil and improving soil strength. At present, the methods for treating soft soil include surcharge preloading method, vacuum preloading method and composite foundation treatment method. The surcharge preloading method is to apply a load on the foundation to promote the consolidation of the foundation in order to reduce the settlement after construction. This method takes a long time for drainage and consolidation, resulting in a long construction period; the vacuum preloading method uses vacuuming to remove the soft soil With the extension of time, the pores in the soft soil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/00E02D3/10
CPCE02D3/00E02D3/10
Inventor 黄传胜
Owner EAST CHINA UNIV OF TECH
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